diff options
Diffstat (limited to 'arch/ppc/kernel/pci.c')
| -rw-r--r-- | arch/ppc/kernel/pci.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 47a1530..70cfb6f 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -1003,7 +1003,7 @@ pci_create_OF_bus_map(void) } } -static ssize_t pci_show_devspec(struct device *dev, char *buf) +static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) { struct pci_dev *pdev; struct device_node *np; @@ -1495,7 +1495,7 @@ static struct resource *__pci_mmap_make_offset(struct pci_dev *dev, *offset += hose->pci_mem_offset; res_bit = IORESOURCE_MEM; } else { - io_offset = (unsigned long)hose->io_base_virt; + io_offset = hose->io_base_virt - ___IO_BASE; *offset += io_offset; res_bit = IORESOURCE_IO; } @@ -1522,7 +1522,7 @@ static struct resource *__pci_mmap_make_offset(struct pci_dev *dev, /* found it! construct the final physical address */ if (mmap_state == pci_mmap_io) - *offset += hose->io_base_phys - _IO_BASE; + *offset += hose->io_base_phys - io_offset; return rp; } @@ -1739,6 +1739,23 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) return result; } +void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, + u64 *start, u64 *end) +{ + struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); + unsigned long offset = 0; + + if (hose == NULL) + return; + + if (rsrc->flags & IORESOURCE_IO) + offset = ___IO_BASE - hose->io_base_virt + hose->io_base_phys; + + *start = rsrc->start + offset; + *end = rsrc->end + offset; +} + void __init pci_init_resource(struct resource *res, unsigned long start, unsigned long end, int flags, char *name) |
